1. The state of being the firstborn or eldest child of the same parents.
2. Law The right of the eldest child, especially the eldest son, to inherit the entire estate of one or both parents.
[Late Latin prīmōgenitūra : Latin prīmō, at first (from prīmus, first; see per1 in the Appendix of Indo-European roots) + Latin genitūra, birth (from genitus, past participle of gignere, to beget; see genə- in the Appendix of Indo-European roots).]
pri′mo·geni·tar′y (-jĕnĭ-tĕr′ē), pri′mo·geni·tal (-təl) adj.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2017 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.
American Heritage Dictionary Products
The American Heritage Dictionary, 5th Edition
The American Heritage Dictionary of Idioms
The American Heritage Roget's Thesaurus
Curious George's Dictionary
The American Heritage Children's Dictionary
The American Heritage Dictionary of Indo-European Roots
The American Heritage Student Grammar Dictionary
The American Heritage Desk Dictionary + Thesaurus
The American Heritage Science Dictionary
The American Heritage Dictionary of Business Terms
The American Heritage Student Dictionary
The American Heritage Essential Student Thesaurus